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If $x = \ln (\sec \theta + \tan \theta),$ show that $\sec \theta = \cosh x.$

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Anna Marie V.

Campbell University

Heather Z.

Oregon State University

Michael J.

Idaho State University

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Video Transcript

we know that we can rewrite this as 1/2 times e to the X plus e to the negative box. Therefore, using the pipe Iram identity of one plus tan squirt of data is equivalent to seek it. Square data. We have 1/2 times two seek it, beta. Therefore, we know that coastline H of X is the same thing as seeking data.

Anna Marie V.

Campbell University

Heather Z.

Oregon State University

Michael J.

Idaho State University

Lectures

Join Bootcamp